I can't. After watching the video, the Internet plus teacher professional development training will unify the online exam, and those who fail will have a make-up exam. *** 14 hour, you must brush enough time to take the exam. You can't just watch videos. All-staff training for teachers' professional development in internet plus is uniformly deployed by the Provincial Department of Education, and the teacher qualification service and training center will provide specific guidance in conjunction with the provincial distance training center for primary and secondary school teachers.